Decorative lamp



FIG. 1 is a front view of a decorative lamp of the present invention;

FIG. 2 is a rear view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line disclosure of the lamp base and some parts within theouter envelope is for illustrative purposes only and forms no part ofthe claimed design.

I claim the ornamental design for a decorative lamp, as shown and described. 